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Important dates:

• (purple dashed lines) May 14: Stay-at-Home reversed; May 25: Memorial Day; July 4: Independence Day

• (blue dashed lines) March 25: Stay-at-Home order; Aug 1: WI mask mandate

Note: due to lag time between exposure and final positive test, effects of changes are typically observed about two weeks after event.

Comment: Why a 7-day moving average? Wisconsin tends to have cyclical patterns in testing results, with low spots typically on Mondays (this may be due to lower testing on weekends)

Active

Active cases: Estimated recovery time from health experts varies between 10-20 days, with a nontrivial proportion of cases being long-term / on-going. Even given the testing lag, a conservative approximation is to use the total number of positive (diagnosed) cases across the last 10 days. We will go with this standard, along with a range from 10-14 days of active accumulation, and adjust as more precise information becomes available. 14 days corresponds with two-week standard in place in MN school decisions.

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Definitions

Case fatality rate, etc: Need to add to table

Need to add to table - Statistics computed directly from the raw data (sourced from WI DHS), stated without interpretation nor fuzziness.

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Source: Minnesota’s safe learning plan is very direct, very precise, with scientific basis. Determined on a local level. Definitions (corresponding / similar to MN plan) and SUGGESTED GUIDELINES based off of reference:

• 2wk: Two-week case total (most recent 14 days), rate per 10K of county population
• 2wk20s: Approximate two-week case total, rate per 10K of 20-29 population; since over 50% of students on campus are in early 20s
• daily7: Daily new-case running average (average over 7 days)

Criteria 2wk	Criteria 2wk20s	Criteria daily7	Suggestion
> 25	> 30	--	urge extra caution
> 28	> 40	decreasing	consider staying home and watching class recordings (rather than attending in-person) and visit online OH
> 28	> 40	steady to increasing	strongly encouraged to stay home and watch class recordings (attend in-person only as absolutely needed) and visit online OH.
> 30	> 50	decreasing	'' '' ''
> 30	> 50	steady to increasing	based on the cited criteria from Minnesota, safety of in-person classes no longer seems supportable

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